Legend of figure
Figure 1. Anteroposterior (A) and lateral (B) chest X-ray: Venous cannula (10 Fr Biomedicus, Medtronic®) inserted in the jugular vein (a), arterial cannula (8 Fr Biomedicus, Medtronic®) inserted in the carotid artery (b), right thorax drainage catheter (c), pericardial drainage catheter (d), and cannula tip (arrow). Even if in (A) and (B) the radiopaque portion of the venous cannula suggests a correct position, the tip (arrow) of the venous cannula is (unusually) above the radiopaque portion of the venous cannula, thus suggesting a venous cannula kinking.